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Marquise|Lab Grown|IGI

1.05ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG831690520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831690520

Diamond specifications and retailer prices

From $312 AUD
$219 USD
As of November 2, 2026
Save $1,498 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,811 AUD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831690520 or 831690520. Listed at 16 retailers as of November 2, 2026, with prices from $312 to $1,811, a $1,498 spread on the same certified stone. Helzberg Diamonds lists it at $1,811. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831690520
Dimensions10.09 × 5.40 × 3.38 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm5.40 mm1.05 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831690520
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,811 AUD|Low: $312 AUD|High: $1,811 AUD|Avg: $842 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 3$312 AUD
Retailer 7$350 AUD
Retailer 10$362 AUD
Retailer 6$387 AUD
Retailer 9$463 AUD
Retailer 5$525 AUD
Retailer 16$662 AUD
Retailer 2$712 AUD
Retailer 14$723 AUD
Retailer 8$1,044 AUD
Retailer 15$1,241 AUD
Retailer 12$1,244 AUD
Retailer 13$1,249 AUD
Retailer 4$1,327 AUD
Retailer 11$1,551 AUD
Helzberg Diamonds$1,811 AUD

6 data points across 16 retailers

16 retailers$312 AUD to $1,811 AUD

A
Cheapest Retailer
-
$312 AUD
$219 USD
A
Retailer 2
-
$350 AUD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$362 AUD
$254 USD
View
A
Retailer 4
-
$387 AUD
$271 USD
View
A
Retailer 5
-
$463 AUD
£255 GBP
View
A
Retailer 6
-
$525 AUD
$368 USD
View
B+
Retailer 7
-
$662 AUD
$464 USD
View
B+
Retailer 8
-
$712 AUD
£393 GBP
View
B+
Retailer 9
-
$723 AUD
$507 USD
View
B
Retailer 10
-
$1,044 AUD
SGD 989 SGD
View
B
Retailer 11
-
$1,241 AUD
$870 USD
View
B
Retailer 12
-
$1,244 AUD
$872 USD
View
B
Retailer 13
-
$1,249 AUD
$875 USD
View
B
Retailer 14
-
$1,327 AUD
$930 USD
View
B
Retailer 15
-
$1,551 AUD
£856 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPGLIG · Nov 3
$1,811 AUD
$1,269 USD
View
15 more retailers have this diamond
Prices start from $312 AUDSave up to $1,498 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Marquise
$312 AUD